A rigid beam is subjected to multiple external forces as shown below and is supported at one end by a rocker (A), and at the other by a pin fixture (B). The beam is in equilibrium and is of negligible mass.
600 N
200 N
0.2 m
45°
2 m
2 m
100 N
(a) Draw a free body diagram of the beam.
[10 marks]
(b) Determine the horizontal and vertical components of the reaction on the beam caused by the pin at B and the rocker at A.
3 m